Development and application of sinter ore control-sample were researched. The feasible analytical method was put forward, which provided the reference for instrument analysis.

本文对烧结矿控样的研制与应用进行了深入的研究，提出了可行的分析方法，为拓展仪器分析提供了依据。

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A final control sample of 143 parents included 79 with non-bipolar-disorder psychiatric disorders and 64 without any psychopathology.

最终控制组的143对父母包括79对没有双相情感障碍以及64对没有任何精神问题。

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Wallets containing the charity CARDS and the control sample were least likely to be returned, with rates of 20 and 15 per cent respectively.

放有慈善卡的钱包以及对比组的钱包归还率最低，分别为20%和15%。

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After comparing the performance of a maquiladora-using firm with that of a control sample, the authors found no evidence of net gain in the use of a maquiladora.

ECONOMIST: A look at noteworthy articles from business journals

As a control sample, the scientists gave the same puzzles to forty-eight students working by themselves.

NEWYORKER: Groupthink

If existing studies are too weak to support the use of breast screening, then the chances of organising large-scale replacements are slim, as these would have to involve a sizeable "control" sample who would not be screened for the purposes of comparison.

BBC: New concerns over breast screening